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US Patent: 2,378,775
Screw Driver
Patentee:
Algot T. Johnson (exact or similar names) - Jamestown, NY

USPTO Classifications:
279/96, 403/4, 81/438

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Mar. 31, 1944
Granted: Jun. 19, 1945

Patent Pictures:
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